content: /*
   * Copyright 2017 David Karnok
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *     http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  package hu.akarnokd.reactive4javaflow.impl.operators;
  
  import static org.junit.Assert.*;
  
  import java.io.IOException;
  import java.util.concurrent.Flow;
  
  import hu.akarnokd.reactive4javaflow.*;
  import hu.akarnokd.reactive4javaflow.functionals.*;
  import org.junit.Test;
  
  public class ParallelPeekTest {
  
      @Test
      public void subscriberCount() {
          ParallelFolyamTest.checkSubscriberCount(Folyam.range(1, 5).parallel()
          .doOnNext(v -> { }));
      }
  
      @Test
      public void onSubscribeCrash() {
          TestHelper.withErrorTracking(errors -> {
              Folyam.range(1, 5)
                      .parallel()
                      .doOnSubscribe(s -> {
                          throw new IOException();
                      })
                      .sequential()
                      .test()
                      .assertFailure(IOException.class);
              for (int i = 0; i < errors.size(); i++) {
                  TestHelper.assertError(errors, i, IOException.class);
              }
          });
      }
  
      @Test
      public void doubleError() {
          TestHelper.withErrorTracking(errors -> {
              new ParallelInvalid()
                      .doOnNext(v -> { })
                      .sequential()
                      .test()
                      .assertFailure(IOException.class);
  
              assertFalse(errors.isEmpty());
              for (Throwable ex : errors) {
                  assertTrue(ex.toString(), ex instanceof IOException);
              }
          });
      }
  
      @Test
      public void requestCrash() {
          TestHelper.withErrorTracking(errors -> {
              Folyam.range(1, 5)
                      .parallel()
                      .doOnRequest(n -> {
                          throw new IOException();
                      })
                      .sequential()
                      .test()
                      .assertResult(1, 2, 3, 4, 5);
  
              assertFalse(errors.isEmpty());
  
              for (Throwable ex : errors) {
                  assertTrue(ex.toString(), ex instanceof IOException);
              }
          });
      }
  
      @Test
      public void cancelCrash() {
          TestHelper.withErrorTracking(errors -> {
              Folyam.<Integer>never()
              .parallel()
              .doOnCancel(() -> {
                  throw new IOException();
              })
              .sequential()
              .test()
              .cancel();
  
              assertFalse(errors.isEmpty());
  
              for (Throwable ex : errors) {
                  assertTrue(ex.toString(), ex instanceof IOException);
              }
          });
      }
  
      @Test
      public void onCompleteCrash() {
          TestHelper.withErrorTracking(errors -> {
              Folyam.just(1)
              .parallel()
              .doOnComplete(() -> {
                  throw new IOException();
              })
              .sequential()
              .test()
              .assertFailure(IOException.class, 1);
  
              for (int i = 0; i < errors.size(); i++) {
                  TestHelper.assertError(errors, i, IOException.class);
              }
          });
      }
  }
  